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Claude Sonnet 5 vs Gemini 3.1 Pro

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Claude Sonnet 5Gemini 3.1 Pro
Claude Sonnet 5Anthropic · 3 in the newsGemini 3.1 ProGoogle DeepMind · 3 in the news
Scores
Intelligence (ECI)155
Coding9468
Math77
Reasoning & Knowledge8896
Agentic & Tools88
Specifications
DeveloperAnthropicGoogle DeepMind
FamilyClaudeGemini
ReleasedJun 30, 2026Feb 19, 2026
Parameters
AvailabilityAPI access
Context window1M
Price — $/M input$2.00
Price — $/M output$10.00
Inputstext, image, file
Outputstext
Benchmarks
GPQA Diamond91%94%
Humanity's Last Exam40%46%
SciCode54%
AIME 2024/202596%
APEX34%
ARC-AGI98%
ARC-AGI-277%
FrontierMath37%
FrontierMath Tier 417%
GSO (code optimization)23%
METR task horizon6.4 h
SimpleBench80%
SimpleQA Verified77%
SWE-bench Verified76%
Terminal-Bench80%
WebDev Arena1461
WeirdML72%

Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.

Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.